The frequency of 47, q-21, 47, 18, and 47, q-13 at the uppermost extremes of maternal ages: results of 56094 fetuses studied prenatally and comparisons with data on liveborns

查看全文 作　　者：Hook EB; Cross PK; Regal RR 出　　处：《Hum Genet》索引1984年第68卷,共0页